高速上一小车刹车失灵，以115km/h狂奔490公里，开了4个半小时至燃油耗尽！司机要求退车退款，索赔5万元精神损失费，厂家回应

Core Viewpoint - A serious incident involving a malfunctioning cruise control system in a vehicle has raised significant concerns within the automotive industry regarding safety and electronic control systems [5][11]. Group 1: Incident Details - On December 17, a small car in Gansu experienced a cruise control failure, maintaining a speed of 115 km/h for 490 km until it ran out of fuel, ultimately requiring police assistance to stop safely [1]. - The driver, Ma Shihua, is seeking a refund and compensation of 50,000 yuan for mental distress after the incident, which he claims caused significant fear and anxiety for both himself and a passenger [3][7]. Group 2: Industry Reactions - The incident has sparked debate within the automotive sector, with some industry experts suggesting that electronic control system failures could lead to cruise control malfunctions [5][11]. - A representative from the vehicle manufacturer stated that the model involved has sold over 200,000 units without prior reports of similar issues, indicating that the company is taking the matter seriously and has sent technicians to investigate [10]. Group 3: Technical Insights - Experts have noted that cruise control systems typically have safety redundancies, such as the ability to disengage by pressing the brake pedal, making simultaneous failures of both systems unlikely [11]. - Various potential causes for the malfunction have been identified, including brake switch failures and issues with the throttle or ABS systems [12]. Group 4: Regulatory Context - The incident has highlighted the need for stringent standards in adaptive cruise control systems, with existing national standards (GB/T 20608) emphasizing the necessity for multiple emergency shutdown options [12].